常用Linux错误代码含义，如下表所示：
| 名称 |
值 |
描述 |
| EPERM |
1 |
操作不允许 |
| ENOENT |
2 |
无此文件或目录 |
| ESRCH |
3 |
无此进程 |
| EINTR |
4 |
中断系统调用 |
| EIO |
5 |
I/O 错误 |
| ENXIO |
6 |
无此设备或地址 |
| E2BIG |
7 |
参数列表过长 |
| ENOEXEC |
8 |
执行文件错误 |
| EBADF |
9 |
错误的文件数 |
| ECHILD |
10 |
无子进程 |
| EAGAIN |
11 |
再尝试一下 |
| ENOMEM |
12 |
内存溢出 |
| EACCES |
13 |
要求被否定 |
| EFAULT |
14 |
错误地址 |
| ENOTBLK |
15 |
块设备请求 |
| EBUSY |
16 |
设备或者资源忙 |
| EEXIST |
17 |
文件存在 |
| EXDEV |
18 |
Cross-device link |
| ENODEV |
19 |
无此设备 |
| ENOTDIR |
20 |
不是一个目录文件 |
| EISDIR |
21 |
I是一个目录文件 |
| EINVAL |
22 |
无效的参数 |
| ENFILE |
23 |
文件表溢出 |
| EMFILE |
24 |
打开文件过多 |
| ENOTTY |
25 |
不是一个TTY设备 |
| ETXTBSY |
26 |
文件忙 |
| EFBIG |
27 |
文件过大 |
| ENOSPC |
28 |
此设备上没有空间了 |
| ESPIPE |
29 |
无效的偏移 |
| EROFS |
30 |
只读文件系统 |
| EMLINK |
31 |
链接过多 |
| EPIPE |
32 |
错误的管道 |
| EDOM |
33 |
Math argument out of domain |
| ERANGE |
34 |
Math result not representable |
| EDEADLK |
35 |
Resource deadlock would occur |
| ENAMETOOLONG |
36 |
文件名过长 |
| ENOLCK |
37 |
No record locks available |
| ENOSYS |
38 |
函数没有实现 |
| ENOTEMPTY |
39 |
目录非空 |
| ELOOP |
40 |
Too many symbolic links encountered |
| EWOULDBLOCK |
41 |
Same as EAGAIN |
| ENOMSG |
42 |
No message of desired type |
| EIDRM |
43 |
Identifier removed |
| ECHRNG |
44 |
Channel number out of range |
| EL2NSYNC |
45 |
Level 2 not synchronized |
| EL3HLT |
46 |
Level 3 halted |
| EL3RST |
47 |
Level 3 reset |
| ELNRNG |
48 |
Link number out of range |
| EUNATCH |
49 |
Protocol driver not attached |
| ENOCSI |
50 |
No CSI structure available |
| EL2HLT |
51 |
Level 2 halted |
| EBADE |
52 |
Invalid exchange |
| EBADR |
53 |
Invalid request descriptor |
| EXFULL |
54 |
Exchange full |
| ENOANO |
55 |
No anode |
| EBADRQC |
56 |
Invalid request code |
| EBADSLT |
57 |
Invalid slot |
| EDEADLOCK |
- |
Same as EDEADLK |
| EBFONT |
59 |
Bad font file format |
| ENOSTR |
60 |
Device not a stream |
| ENODATA |
61 |
No data available |
| ETIME |
62 |
Timer expired |
| ENOSR |
63 |
Out of streams resources |
| ENONET |
64 |
Machine is not on the network |
| ENOPKG |
65 |
Package not installed |
| EREMOTE |
66 |
Object is remote |
| ENOLINK |
67 |
Link has been severed |
| EADV |
68 |
Advertise error |
| ESRMNT |
69 |
Srmount error |
| ECOMM |
70 |
Communication error on send |
| EPROTO |
71 |
Protocol error |
| EMULTIHOP |
72 |
Multihop attempted |
| EDOTDOT |
73 |
RFS specific error |
| EBADMSG |
74 |
Not a data message |
| EOVERFLOW |
75 |
Value too large for defined data type |
| ENOTUNIQ |
76 |
Name not unique on network |
| EBADFD |
77 |
File descriptor in bad state |
| EREMCHG |
78 |
Remote address changed |
| ELIBACC |
79 |
Cannot access a needed shared library |
| ELIBBAD |
80 |
Accessing a corrupted shared library |
| ELIBSCN |
81 |
A .lib section in an .out is corrupted |
| ELIBMAX |
82 |
Linking in too many shared libraries |
| ELIBEXEC |
83 |
Cannot exec a shared library directly |
| EILSEQ |
84 |
Illegal byte sequence |
| ERESTART |
85 |
Interrupted system call should be restarted |
| ESTRPIPE |
86 |
Streams pipe error |
| EUSERS |
87 |
Too many users |
| ENOTSOCK |
88 |
Socket operation on non-socket |
| EDESTADDRREQ |
89 |
Destination address required |
| EMSGSIZE |
90 |
Message too long |
| EPROTOTYPE |
91 |
Protocol wrong type for socket |
| ENOPROTOOPT |
92 |
Protocol not available |
| EPROTONOSUPPORT |
93 |
Protocol not supported |
| ESOCKTNOSUPPORT |
94 |
Socket type not supported |
| EOPNOTSUPP |
95 |
Operation not supported on transport |
| EPFNOSUPPORT |
96 |
Protocol family not supported |
| EAFNOSUPPORT |
97 |
Address family not supported by protocol |
| EADDRINUSE |
98 |
Address already in use |
| EADDRNOTAVAIL |
99 |
Cannot assign requested address |
| ENETDOWN |
100 |
Network is down |
| ENETUNREACH |
101 |
Network is unreachable |
| ENETRESET |
102 |
Network dropped |
| ECONNABORTED |
103 |
Software caused connection |
| ECONNRESET |
104 |
Connection reset by |
| ENOBUFS |
105 |
No buffer space available |
| EISCONN |
106 |
Transport endpoint |
| ENOTCONN |
107 |
Transport endpoint |
| ESHUTDOWN |
108 |
Cannot send after transport |
| ETOOMANYREFS |
109 |
Too many references |
| ETIMEDOUT |
110 |
Connection timed |
| ECONNREFUSED |
111 |
Connection refused |
| EHOSTDOWN |
112 |
Host is down |
| EHOSTUNREACH |
113 |
No route to host |
| EALREADY |
114 |
Operation already |
| EINPROGRESS |
115 |
Operation now in |
| ESTALE |
116 |
Stale NFS file handle |
| EUCLEAN |
117 |
Structure needs cleaning |
| ENOTNAM |
118 |
Not a XENIX-named |
| ENAVAIL |
119 |
No XENIX semaphores |
| EISNAM |
120 |
Is a named type file |
| EREMOTEIO |
121 |
Remote I/O error |
| EDQUOT |
122 |
Quota exceeded |
| ENOMEDIUM |
123 |
No medium found |
| EMEDIUMTYPE |
124 |
Wrong medium type |